WO2021077573A1 - 一种柜台机用人体检测超声波传感器模组 - Google Patents

一种柜台机用人体检测超声波传感器模组 Download PDF

Info

Publication number
WO2021077573A1
WO2021077573A1 PCT/CN2019/125265 CN2019125265W WO2021077573A1 WO 2021077573 A1 WO2021077573 A1 WO 2021077573A1 CN 2019125265 W CN2019125265 W CN 2019125265W WO 2021077573 A1 WO2021077573 A1 WO 2021077573A1
Authority
WO
WIPO (PCT)
Prior art keywords
mcu
sensor module
counter machine
ultrasonic
ultrasonic sensor
Prior art date
Application number
PCT/CN2019/125265
Other languages
English (en)
French (fr)
Inventor
吴尚
仝敏
俞玉春
杨立杰
陈明
姚璐
赵晓明
Original Assignee
苏州易德龙科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 苏州易德龙科技股份有限公司 filed Critical 苏州易德龙科技股份有限公司
Publication of WO2021077573A1 publication Critical patent/WO2021077573A1/zh

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications

Definitions

  • the utility model belongs to the field of ultrasonic sensors, and particularly relates to a human body detection ultrasonic sensor module for counter machines.
  • counter computers With the rapid development of information technology, as a convenient human-computer interaction platform, counter computers have many advantages such as low cost, high efficiency, and long working hours, so they are widely promoted and used. However, in practical applications, counter machines still occupy a lot of resources. For example, when there are no customers in use, counter machines are online for a long time, which is a huge waste of power and network resources.
  • Ultrasonic sensors can emit a sound wave with a frequency higher than 20KHz, with good accuracy and directionality, and are currently widely used in ranging, human body recognition and other fields. Combining the ultrasonic sensor with the counter machine can easily detect the use of the counter machine and control the opening and closing of the counter machine system.
  • the present utility model proposes an ultrasonic sensor module to monitor the presence or absence of personnel in a specific area of the counter machine, and control the working mode of the counter machine according to the monitoring judgment result to achieve the purpose of energy saving.
  • a human body detection ultrasonic sensor module for a counter machine is installed on the front of the counter machine and faces the measured human body.
  • the ultrasonic sensor module includes an MCU, a drive circuit, an amplifier circuit and an ultrasonic probe; the MCU, the drive circuit and the ultrasonic probe are in turn Connected, the ultrasonic probe is also connected to the MCU through the amplifier circuit, and the MCU is also connected to the counter machine to control the opening and closing of the counter machine.
  • the ultrasonic sensor module further includes a linear power supply
  • the counter machine provides 12V direct current to the module as a power supply
  • the linear power supply converts it into the working voltage of each component of the module.
  • the ultrasonic sensor module is 0.8 to 1.2 meters above the ground.
  • the MCU sends a driving signal to the driving circuit, and the driving circuit excites the ultrasonic probe to transmit ultrasonic waves to the front of the counter machine.
  • the driving circuit excites the ultrasonic probe to transmit ultrasonic waves to the front of the counter machine.
  • the probe receives the echo signals
  • the weak signal is transmitted to the amplifying circuit, and the amplifying circuit amplifies it and sends it to the MCU;
  • the MCU calculates the distance of the measured human body through the time difference between transmitting and receiving ultrasonic waves to determine whether there are people in a specific area.
  • the MCU determines that there is a person in a specific area and is within the alarm distance, it controls the counter computer system to turn on through a control signal.
  • the MCU determines that there is no echo or the echo time exceeds the set value, it determines that there is no person in the specific area, and then shuts down the counter machine system through a control signal.
  • the ultrasonic sensor module of the utility model realizes the monitoring of the presence or absence of personnel in a specific area of the counter machine, and controls the opening and closing of the counter machine according to the monitoring judgment result, achieving the purpose of energy saving and improving the comfort of customers.
  • Figure 1 is a schematic diagram of the structure of the ultrasonic sensor module of the present invention.
  • Figure 2 is a schematic diagram of the installation and work of the utility model on the counter machine.
  • the human body detection ultrasonic sensor module for counter machines of the present invention includes a linear power supply, MCU, driving circuit, amplifying circuit and ultrasonic probe; MCU, driving circuit and ultrasonic probe are connected in sequence, and the ultrasonic probe also passes
  • the amplifying circuit is connected to the MCU, and the MCU is also connected to the counter machine to control the opening and closing of the counter machine.
  • the ultrasonic sensor module also provides 12V direct current to the module as a power source by the counter machine, and the linear power source converts it into the working voltage of each component of the module.
  • the ultrasonic sensor module 1 is installed on the front of the counter machine 2 and faces the measured human body 3, and the ultrasonic sensor module is 0.8 to 1.2 meters above the ground.
  • the MCU sends a drive signal to the drive circuit, the drive circuit excites the ultrasonic probe, and transmits ultrasonic waves to the front of the counter machine.
  • the ultrasonic waves meet the human body in front of the counter machine, echoes are generated and received by the probe; the probe receives the echo After the signal, the weak signal is transmitted to the amplifying circuit, and the amplifying circuit amplifies it and sends it to the MCU; the MCU calculates the distance of the measured human body through the time difference between transmitting and receiving ultrasonic waves to determine whether there are people in a specific area.
  • the MCU determines that there is a person in a specific area and is within the alarm distance, it controls the counter computer system to turn on through a control signal.
  • the MCU determines that there is no echo or the echo time exceeds the set value, it determines that there is no person in the specific area, and then shuts down the counter machine system through a control signal.

Abstract

一种柜台机用人体检测超声波传感器模组（1），超声波传感器模组（1）安装在柜台机（2）正面，正对被测人体（3），包括MCU、驱动电路、放大电路和超声波探头；MCU、驱动电路和超声波探头依次连接，超声波探头还通过放大电路连接MCU，MCU还连接柜台机（2），控制柜台机（2）的开启与关闭。MCU发送驱动信号至驱动电路，驱动电路激励超声波探头，向柜台机（2）正面发射超声波，当超声波遇到柜台机（2）前的人体（3）时产生回波，并被探头接收；探头接收回波信号后，将微弱的信号传输至放大电路，放大电路将其放大，发送给MCU；MCU通过发射、接收超声波的时间差，计算被测人体（3）的距离，判断特定区域是否有人，达到节能目的，还能改善顾客的使用舒适度。

Description

一种柜台机用人体检测超声波传感器模组 技术领域
本实用新型属于超声波传感器领域，特别涉及一种柜台机用人体检测超声波传感器模组。
背景技术
随着信息技术的快速发展，柜台机作为一种便捷的人机交互平台，具有成本低、效率高、工作时间长等诸多优点，因而得到广泛的推广和使用。然而，在实际应用中，柜台机依然存在着占用大量资源的现象，例如在没有顾客使用的时段，柜台机长时间在线，就是对电力和网络资源的巨大浪费。
超声波传感器可以发出一种频率高于20KHz的声波，具有良好的精度和方向性，目前广泛应用于测距、人体识别等领域。将超声波传感器与柜台机结合，可以很方便的探测柜台机的使用情况，控制柜台机系统的开闭。
但是，由于超声波传感器的信号极其微弱，又容易受外界环境干扰，为了保证超声波传感器正常工作，需要设计一款抗干扰能力强、工作稳定的电路模组配合工作。
实用新型内容
针对上述问题，本实用新型提出一种超声波传感器模组，实现对柜台机特定区域人员有无的监控，并根据监控判断结果控制柜台机工作模式，达到节能目的。
本实用新型的技术方案是：
一种柜台机用人体检测超声波传感器模组，所述超声波传感器模组安装在柜台机正面，正对被测人体，包括MCU、驱动电路、放大电路和超声波探头；MCU、驱动电路和超声波探头依次连接，超声波探头还通过放大电路连接MCU，MCU还连接柜台机，控制柜台机的开启与关闭。
优选的，所述超声波传感器模组还包括线性电源，柜台机向模组提供12V直流电作为电源，线性电源将其转换为模组各部件的工作电压。
优选的，所述超声波传感器模组离地0.8-～1.2米。
优选的，所述MCU发送驱动信号至驱动电路，驱动电路激励超声波探头，向柜台机正面发射超声波，当超声波遇到柜台机前的人体时产生回波，并被探 头接收；探头接收回波信号后，将微弱的信号传输至放大电路，放大电路将其放大，发送给MCU；所述MCU通过发射、接收超声波的时间差，计算被测人体的距离，判断特定区域是否有人。
优选的，所述MCU如果判断特定区域有人，且在报警距离之内，则通过控制信号，控制柜台机系统开启。
优选的，所述MCU如果判断没有回波或回波时间超出设定值，则判断特定区域没有人，则通过控制信号关闭柜台机系统。
本实用新型的优点是：
本实用新型的超声波传感器模组，实现对柜台机特定区域人员有无的监控，并根据监控判断结果控制柜台机开启与开闭，达到节能目的，还能改善顾客的使用舒适度。
附图说明
下面结合附图及实施例对本实用新型作进一步描述：
图1为本实用新型超声波传感器模组的结构原理图；
图2为本实用新型在柜台机上安装和工作示意图。
具体实施方式
如图1所示，本实用新型的柜台机用人体检测超声波传感器模组，包括包括线性电源、MCU、驱动电路、放大电路和超声波探头；MCU、驱动电路和超声波探头依次连接，超声波探头还通过放大电路连接MCU，MCU还连接柜台机，控制柜台机的开启与关闭。所述超声波传感器模组还柜台机向模组提供12V直流电作为电源，线性电源将其转换为模组各部件的工作电压。
如图2所示，所述超声波传感器模组1安装在柜台机2正面，正对被测人体3，所述超声波传感器模组离地0.8-～1.2米。
具体工作时，所述MCU发送驱动信号至驱动电路，驱动电路激励超声波探头，向柜台机正面发射超声波，当超声波遇到柜台机前的人体时产生回波，并被探头接收；探头接收回波信号后，将微弱的信号传输至放大电路，放大电路将其放大，发送给MCU；所述MCU通过发射、接收超声波的时间差，计算被测人体的距离，判断特定区域是否有人。
所述MCU如果判断特定区域有人，且在报警距离之内，则通过控制信号，控制柜台机系统开启。
所述MCU如果判断没有回波或回波时间超出设定值，则判断特定区域没有人，则通过控制信号关闭柜台机系统。
上述实施例只为说明本实用新型的技术构思及特点，其目的在于让熟悉此项技术的人能够了解本实用新型的内容并据以实施，并不能以此限制本实用新型的保护范围。凡根据本实用新型主要技术方案的精神实质所做的修饰，都应涵盖在本实用新型的保护范围之内。

Claims (6)

  1. 一种柜台机用人体检测超声波传感器模组，其特征在于，所述超声波传感器模组安装在柜台机正面，正对被测人体，包括MCU、驱动电路、放大电路和超声波探头；MCU、驱动电路和超声波探头依次连接，超声波探头还通过放大电路连接MCU，MCU还连接柜台机，控制柜台机的开启与关闭。
  2. 根据权利要求1所述的超声波传感器模组，其特征在于，所述超声波传感器模组还包括线性电源，柜台机向模组提供12V直流电作为电源，线性电源将其转换为模组各部件的工作电压。
  3. 根据权利要求1所述的超声波传感器模组，其特征在于，所述超声波传感器模组离地0.8-～1.2米。
  4. 根据权利要求1所述的超声波传感器模组，其特征在于，所述MCU发送驱动信号至驱动电路，驱动电路激励超声波探头，向柜台机正面发射超声波，当超声波遇到柜台机前的人体时产生回波，并被探头接收；探头接收回波信号后，将微弱的信号传输至放大电路，放大电路将其放大，发送给MCU；所述MCU通过发射、接收超声波的时间差，计算被测人体的距离，判断特定区域是否有人。
  5. 根据权利要求4所述的超声波传感器模组，其特征在于，所述MCU如果判断特定区域有人，且在报警距离之内，则通过控制信号，控制柜台机系统开启。
  6. 根据权利要求5所述的超声波传感器模组，其特征在于，所述MCU如果判断没有回波或回波时间超出设定值，则判断特定区域没有人，则通过控制信号关闭柜台机系统。
PCT/CN2019/125265 2019-10-25 2019-12-13 一种柜台机用人体检测超声波传感器模组 WO2021077573A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201921801493.3 2019-10-25
CN201921801493.3U CN210923955U (zh) 2019-10-25 2019-10-25 一种柜台机用人体检测超声波传感器模组

Publications (1)

Publication Number Publication Date
WO2021077573A1 true WO2021077573A1 (zh) 2021-04-29

Family

ID=71364473

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/125265 WO2021077573A1 (zh) 2019-10-25 2019-12-13 一种柜台机用人体检测超声波传感器模组

Country Status (2)

Country Link
CN (1) CN210923955U (zh)
WO (1) WO2021077573A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116722863A (zh) * 2023-08-10 2023-09-08 山东商业职业技术学院 一种超声波测量回波波谷同步触发电路

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2831927Y (zh) * 2005-07-22 2006-11-01 北京工业大学 一种具有照明自动控制装置的文物展示柜
CN201383085Y (zh) * 2009-03-25 2010-01-13 温州市麦特力克电器有限公司 超声波电源控制开关
CN101934969A (zh) * 2010-03-26 2011-01-05 秦皇岛国安电力电子技术有限公司 一种扶梯入口人体感应器
JP4899437B2 (ja) * 2005-11-18 2012-03-21 アイシン精機株式会社 開閉体の制御装置
CN104504869A (zh) * 2015-01-06 2015-04-08 肖国选 防近视提醒器
CN107787064A (zh) * 2016-08-25 2018-03-09 由国峰 基于at89s52单片机控制的智能台灯

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2831927Y (zh) * 2005-07-22 2006-11-01 北京工业大学 一种具有照明自动控制装置的文物展示柜
JP4899437B2 (ja) * 2005-11-18 2012-03-21 アイシン精機株式会社 開閉体の制御装置
CN201383085Y (zh) * 2009-03-25 2010-01-13 温州市麦特力克电器有限公司 超声波电源控制开关
CN101934969A (zh) * 2010-03-26 2011-01-05 秦皇岛国安电力电子技术有限公司 一种扶梯入口人体感应器
CN104504869A (zh) * 2015-01-06 2015-04-08 肖国选 防近视提醒器
CN107787064A (zh) * 2016-08-25 2018-03-09 由国峰 基于at89s52单片机控制的智能台灯

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116722863A (zh) * 2023-08-10 2023-09-08 山东商业职业技术学院 一种超声波测量回波波谷同步触发电路
CN116722863B (zh) * 2023-08-10 2023-10-17 山东商业职业技术学院 一种超声波测量回波波谷同步触发电路

Also Published As

Publication number Publication date
CN210923955U (zh) 2020-07-03

Similar Documents

Publication Publication Date Title
CN202330713U (zh) 一种基于多超声传感器的导盲避碰装置
CN102385056A (zh) 一种基于多超声波传感器的导盲避碰装置及其控制算法
CN104678828A (zh) 一种微波感应控制方法及装置
WO2021077573A1 (zh) 一种柜台机用人体检测超声波传感器模组
CN2906645Y (zh) 盲人用距离检测装置
CN212689831U (zh) 一种使用低频超声波模块的自动门检测系统
CN107085036A (zh) 一种工业无损探伤仪器
CN102426356A (zh) 距离继电器
CN101934969A (zh) 一种扶梯入口人体感应器
CN206893043U (zh) 一种节能型居家安全预警器
CN202869605U (zh) 基于调频脉冲回波法的超声液位测量装置
CN207052043U (zh) 一种输电线路防外力破坏预警系统
CN205843765U (zh) 一种基于传感器的液位测量系统
CN202471025U (zh) 超声波米尺
CN202533590U (zh) 基于PICl6F628A的入侵探测装置
CN202221472U (zh) 距离继电器
CN206395640U (zh) 电梯井道监测系统
CN105922934A (zh) 一种基于gps的车辆防撞预警装置
CN204612679U (zh) 一种本安型超声波煤流传感器
CN207946138U (zh) 一种基于arm的外置式超声波液位测量装置
CN202563301U (zh) 具备一对收发独立的声波换能器入侵探测装置
CN206945967U (zh) 一种新型远距离超声波传感器
CN105806518B (zh) 基于自发电和无线传输的舞台防剪切信号检测系统
CN205941793U (zh) 一种变压器局部放电检测装置
CN209281500U (zh) 一种超声波智能门禁测人传感器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19950035

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19950035

Country of ref document: EP

Kind code of ref document: A1